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  Topic: Direct access record length problem
PaulLaidler

Replies: 7
Views: 725

PostForum: Support   Posted: Wed Apr 24, 2024 4:06 pm   Subject:
Steve

STREAM access should work if you are using FTN95 v8.80 or after. It is very similar to TRANSPARENT. STREAM is standard conforming, TRANSPARENT is not.
  Topic: Invalid FP number
PaulLaidler

Replies: 4
Views: 330

PostForum: General   Posted: Wed Apr 17, 2024 1:06 pm   Subject:
Dan

The short answer is no. It's down to the programmer to allocate memory and say what data is stored.

You could write test code that accessed every floating point array element then the progra ...
  Topic: display_dib_block@ return codes
PaulLaidler

Replies: 2
Views: 238

PostForum: ClearWin+   Posted: Thu Apr 11, 2024 4:42 pm   Subject:
An error value of 13 means width <= 0 or height <= 0.
An error value of 4 means a failure to allocate memory for the DIB.
An error value of 0 means success.

The routine calls the API Stretc ...
  Topic: Use of intrinsic function TAN as arg fcn.causes linker error
PaulLaidler

Replies: 3
Views: 638

PostForum: 64-bit   Posted: Wed Apr 10, 2024 12:33 pm   Subject:
This failure has now been fixed for the next release of clearwin64.dll.

For double precision, FTN95 requires that you use DTAN as the intrinsic.
  Topic: Insufficient virtual stack with 64bits
PaulLaidler

Replies: 24
Views: 1969

PostForum: 64-bit   Posted: Tue Apr 09, 2024 3:27 pm   Subject:
Here is the outcome of the promised review of what has been called the 64 bit "virtual stack".

The next release of FTN95 and its associated DLLs will be amended and the following instruct ...
  Topic: Cannot use x64 debugger with Windows 11
PaulLaidler

Replies: 3
Views: 288

PostForum: Support   Posted: Tue Apr 09, 2024 7:32 am   Subject:
Part of the installation process is to set the PATH environment variable to include the full path of FTN95.exe. It is possible that this is not copied when upgrading to Windows 11.
  Topic: Cannot use x64 debugger with Windows 11
PaulLaidler

Replies: 3
Views: 288

PostForum: Support   Posted: Mon Apr 08, 2024 12:32 pm   Subject:
Fabio

Try the following in this order...

1) Make sure that you are compiling using /DEBUG or /CHECK or /CHECKMATE.

2) Re-install the Silverfrost package.

3) Test by compiling and linking f ...
  Topic: Correct code rejected by compiler with /64 /opt
PaulLaidler

Replies: 2
Views: 319

PostForum: 64-bit   Posted: Mon Apr 01, 2024 4:06 pm   Subject:
This failure has now been fixed for the next release of FTN95.

It turned out that the failure related to optimisation number 95.
  Topic: Correct code rejected by compiler with /64 /opt
PaulLaidler

Replies: 2
Views: 319

PostForum: 64-bit   Posted: Mon Apr 01, 2024 9:09 am   Subject:
mecej4

Many thanks for the bug report. It relates to optimisation number 40.
  Topic: Use of intrinsic function TAN as arg fcn.causes linker error
PaulLaidler

Replies: 3
Views: 638

PostForum: 64-bit   Posted: Wed Mar 27, 2024 8:52 am   Subject:
At first sight it looks like TAN$ is simply missing from the export table for clearwin64.dll. For double precsision (and FTN95) you must pass DTAN but again DTAN$ is missing. (I realise that it's TAN@ ...
  Topic: Workaround for C_F_POINTER
PaulLaidler

Replies: 12
Views: 1348

PostForum: Support   Posted: Thu Mar 21, 2024 5:07 pm   Subject:
C_F_POINTER in the ISO_C_BINDING module (2003 Fortran Standard) has now been implemented for the next full release of FTN95.

It will appear in the next interim release but will also require an exte ...
  Topic: Workaround for C_F_POINTER
PaulLaidler

Replies: 12
Views: 1348

PostForum: Support   Posted: Tue Mar 19, 2024 2:22 pm   Subject:
jib

The ClearWin+ interfaces in \Silverfrost\FTN95\source64\clrwin.f95 illustrate one way to pass C strings to and from Fortran code.

See, for example, send_accelerator$ which sends a null termi ...
  Topic: Bugs related to allocatable arrays as subroutine arguments
PaulLaidler

Replies: 1
Views: 432

PostForum: Support   Posted: Tue Mar 19, 2024 2:03 pm   Subject:
mecej4

Thank you for this bug report which I some how missed.
  Topic: Labelled DO loop and /opt /64 leads to optimisation bug
PaulLaidler

Replies: 2
Views: 533

PostForum: 64-bit   Posted: Mon Mar 18, 2024 10:28 am   Subject:
mecej4 and John

Thank you for the feedback. This failure has now been fixed for the next release of FTN95. The optimisation in question is number 30.
  Topic: Insufficient virtual stack with 64bits
PaulLaidler

Replies: 24
Views: 1969

PostForum: 64-bit   Posted: Sun Mar 17, 2024 2:22 pm   Subject:
John

The current virtual stack might be replaced subject to the planned review of this issue. So it would probably be best to await the outcome before providing further information. I will make sur ...
 
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